26561975 has 12 divisors (see below), whose sum is σ = 35931480. Its totient is φ = 19317600.

The previous prime is 26561959. The next prime is 26561993. The reversal of 26561975 is 57916562.

It is not a de Polignac number, because 26561975 - 2⁴ = 26561959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48020 + ... + 48569.

It is an arithmetic number, because the mean of its divisors is an integer number (2994290).

Almost surely, 2^26561975 is an apocalyptic number.

26561975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26561975 is a deficient number, since it is larger than the sum of its proper divisors (9369505).

26561975 is a wasteful number, since it uses less digits than its factorization.

26561975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96610 (or 96605 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 26561975 is about 5153.8310992891. The cubic root of 26561975 is about 298.3688322319.

The spelling of 26561975 in words is "twenty-six million, five hundred sixty-one thousand, nine hundred seventy-five".